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Cheap flights from Ireland to Belfast from €46

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ireland to Belfast departing on 19/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Ireland to Belfast

Recent return flight deals from Ireland to Belfast

Enter your travel dates to find the best prices.
Multiple Airlines Logo
09:55 - 15:15
ORK
-
BFS
5h 20m
1 stop
Multiple Airlines Logo
15:40 - 23:55
BFS
-
ORK
8h 15m
1 stop
€85Multiple Airlines
Wed, 1 Apr - Wed, 8 Apr
Multiple Airlines Logo
22:00 - 08:50
SNN
-
BFS
10h 50m
1 stop
Multiple Airlines Logo
19:45 - 08:10
BFS
-
SNN
12h 25m
1 stop
€86Multiple Airlines
Fri, 20 Mar - Thu, 26 Mar
Multiple Airlines Logo
06:30 - 15:15
DUB
-
BFS
8h 45m
1 stop
Multiple Airlines Logo
07:30 - 12:30
BFS
-
DUB
5h 00m
1 stop
€87Multiple Airlines
Wed, 1 Apr - Wed, 8 Apr
Multiple Airlines Logo
09:55 - 15:15
ORK
-
BFS
5h 20m
1 stop
Multiple Airlines Logo
15:40 - 23:55
BFS
-
ORK
8h 15m
1 stop
€89Multiple Airlines
Wed, 1 Apr - Wed, 8 Apr
Multiple Airlines Logo
09:05 - 22:50
SNN
-
BFS
13h 45m
1 stop
Multiple Airlines Logo
06:15 - 17:50
BFS
-
SNN
11h 35m
1 stop
€90Multiple Airlines
Thu, 19 Mar - Thu, 26 Mar
Multiple Airlines Logo
22:20 - 08:50
ORK
-
BFS
10h 30m
1 stop
Multiple Airlines Logo
06:15 - 18:55
BFS
-
ORK
12h 40m
1 stop
€90Multiple Airlines
Fri, 20 Mar - Thu, 26 Mar
Multiple Airlines Logo
09:05 - 22:50
SNN
-
BFS
13h 45m
1 stop
Multiple Airlines Logo
19:45 - 08:10
BFS
-
SNN
12h 25m
1 stop
€91Multiple Airlines
Thu, 19 Mar - Thu, 26 Mar
Multiple Airlines Logo
05:45 - 10:20
ORK
-
BFS
4h 35m
1 stop
Multiple Airlines Logo
19:45 - 07:20
BFS
-
ORK
11h 35m
1 stop
€91Multiple Airlines
Wed, 4 Mar - Thu, 5 Mar
Multiple Airlines Logo
09:05 - 22:50
SNN
-
BFS
13h 45m
1 stop
Multiple Airlines Logo
06:15 - 17:50
BFS
-
SNN
11h 35m
1 stop
€92Multiple Airlines
Thu, 19 Mar - Thu, 26 Mar
Multiple Airlines Logo
15:00 - 23:00
KIR
-
BFS
8h 00m
1 stop
Multiple Airlines Logo
07:35 - 14:35
BFS
-
KIR
7h 00m
1 stop
€93Multiple Airlines
Fri, 3 Apr - Fri, 10 Apr

KLM flights from Ireland to Belfast

Our best KLM deals on Ireland to Belfast flight tickets
KLM
6 Mar
DUB13:25Dublin
7h 35m
1 stop
BHD21:00Belfast City
14 Mar
BHD17:20Belfast City
4h 50m
1 stop
DUB22:10Dublin
€212
KLM
5 Mar
DUB08:50Dublin
12h 10m
1 stop
BHD21:00Belfast City
12 Mar
BHD06:30Belfast City
6h 10m
1 stop
DUB12:40Dublin
€213
KLM
5 Mar
DUB13:25Dublin
7h 35m
1 stop
BHD21:00Belfast City
9 Mar
BHD17:20Belfast City
4h 50m
1 stop
DUB22:10Dublin
€225

British Airways flights from Ireland to Belfast

Our best British Airways deals on Ireland to Belfast flight tickets
British Airways
16 Mar
DUB20:40Dublin
11h 00m
1 stop
BHD07:40Belfast City
24 Mar
BHD19:25Belfast City
12h 30m
1 stop
DUB07:55Dublin
€247
British Airways
9 Mar
DUB20:40Dublin
11h 00m
1 stop
BHD07:40Belfast City
18 Mar
BHD19:25Belfast City
12h 30m
1 stop
DUB07:55Dublin
€257
British Airways
5 Mar
DUB20:40Dublin
10h 50m
1 stop
BHD07:30Belfast City
9 Mar
BHD14:40Belfast City
5h 00m
1 stop
DUB19:40Dublin
€266

momondo Fare Finder

 
Customise your flight search to find flights from Ireland to Belfast that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 13,528 searches. Data last updated 18 February 2026.
Use the filters below to find and compare flights from Ireland to Belfast that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

CorkBelfast

ORK - BFS

ORKBFS

Cork

Wed 1/4

09:55-15:15

1 stop5h 20m

Belfast Intl

Wed 8/4

15:40-23:55

1 stop8h 15m

€85

ShannonBelfast

SNN - BFS

SNNBFS

Shannon

Fri 20/3

22:00-08:50

1 stop10h 50m

Belfast Intl

Thu 26/3

19:45-08:10

1 stop12h 25m

€86

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Wed 1/4

06:30-15:15

1 stop8h 45m

Belfast Intl

Wed 8/4

07:30-12:30

1 stop5h 00m

€87

CorkBelfast

ORK - BFS

ORKBFS

Cork

Wed 1/4

09:55-15:15

1 stop5h 20m

Belfast Intl

Wed 8/4

15:40-23:55

1 stop8h 15m

€89

ShannonBelfast

SNN - BFS

SNNBFS

Shannon

Thu 19/3

09:05-22:50

1 stop13h 45m

Belfast Intl

Thu 26/3

06:15-17:50

1 stop11h 35m

€90

CorkBelfast

ORK - BFS

ORKBFS

Cork

Fri 20/3

22:20-08:50

1 stop10h 30m

Belfast Intl

Thu 26/3

06:15-18:55

1 stop12h 40m

€90

ShannonBelfast

SNN - BFS

SNNBFS

Shannon

Thu 19/3

09:05-22:50

1 stop13h 45m

Belfast Intl

Thu 26/3

19:45-08:10

1 stop12h 25m

€91

CorkBelfast

ORK - BFS

ORKBFS

Cork

Wed 4/3

05:45-10:20

1 stop4h 35m

Belfast Intl

Thu 5/3

19:45-07:20

1 stop11h 35m

€91

ShannonBelfast

SNN - BFS

SNNBFS

Shannon

Thu 19/3

09:05-22:50

1 stop13h 45m

Belfast Intl

Thu 26/3

06:15-17:50

1 stop11h 35m

€92

Milltown (Kerry)Belfast

KIR - BFS

KIRBFS

Milltown (Kerry)

Fri 3/4

15:00-23:00

1 stop8h 00m

Belfast Intl

Fri 10/4

07:35-14:35

1 stop7h 00m

€93

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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See travel insights to Belfast from

How to get the cheapest flight ticket from Ireland to Belfast

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Ireland to Belfast?

Ryanair and Aer Lingus are the most popular carriers operating from Ireland to Belfast

Cheap Ireland to Belfast flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ireland to Belfast

Fastest flight time

4h 35m

Direct flights

None
The fastest flight from Ireland to Belfast takes 4h 35m
There are no direct flights from Ireland to Belfast. There are no popular flight routes from Ireland to Belfast.
Search flight deals

  • When did momondo last update prices for flights from Ireland to Belfast?

    Prices for flights from Ireland to Belfast are refreshed on a daily basis.

  • How many operators does momondo search for flights from Ireland to Belfast?

  • How old do you have to be to fly from Ireland to Belfast?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Ireland to Belfast.

  • What documentation or ID do you need to fly to Belfast?

    The required travel and health documents for your Belfast trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Belfast. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Ireland to Belfast

Compare and see reviews for airlines that fly from Ireland to Belfast with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom €256Free CancellationRating
6.7
7,751 reviews
Search British Airways flights

Why use momondo?

Why should I use momondo to find a flight deal from Ireland to Belfast?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Ireland to Belfast . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Ireland to Belfast with flexible booking policies on momondo?

Yes. All flights to Belfast from Ireland on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Ireland to Belfast?

Once all potential Ireland to Belfast flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Ireland to Belfast right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Ireland to Belfast now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Belfast and let you know when they change.

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Find better results for your trip to the United Kingdom

Fly into one of these airports located in Belfast

Airports listed have a maximum distance of 19.6 km from Belfast
Belfast Intl Airport
Belfast City Airport